baber/WOPTO huggingface dataset:
Patent GB-481428-A (GB)
Title: Improvements in or relating to laminated sheet material
IPC: D21H27/32
Filed: 1936-06-06
Abstract: 481,428. Compound sheet materials ; compound paper. BURGESS, A. F. (Marathon Paper Mills Co.) June 6, 1936, No. 15909. Addition to 481,426. [Classes 96 and 140] Compound sheet material of fabric, paper, cardboard or metal foil comprises a bonding layer of the rubber-wax composition of the parent Specification. Webs of paper 23, 24 are led over steam-heated metal squeeze rolls 21, 22 and a mass 20 of the composition is drawn in between the webs. The laminated material 27 is then cooled by passage over brine-chilled rolls 28, 29. Suitable temperatures for rolls 21, 22 are 180-220‹ F. and for rolls 28, 29, 35‹ F. Different materials may be laminated, e.g. greaseproof paper to ordinary sulphite paper, paper to cardboard, paper to transparent cellulose sheets, and paper to metal foil. Two dry-waxed papers may also be laminated to form a sheet the surface of which is free from wax.
Patent GB-389322-A (GB)
Title: Improvements in devices for use in, or in connection with, machines for sewing-on buttons
IPC: D05B3/14
Filed: 1932-06-06
Abstract: 389,322. Button-attaching machines. CLARKSON, V. J., 29, Clarendon Place, Leeds. June 6, 1932, No. 15927. [Classes 43 and 112.] Buttons held on a wire are automatically fed to their holding clamps with the holes in correct position for the sewing needles. The buttons 1 are threaded on a wire holder 2 and held on the machine over a pair of double shutters 6, 7. Assuming that the lowermost button is resting on the top of the closed halves of the top shutter 6, the operation is as follows. As the machine is set in motion, the shutter halves 6 are opened against the spring 19 by links 17, 18 operated by contact of the lever 11 with the depending end of the link 17. The lever 11 is connected to the button feed bar 3 by a pin and slot device 13 and has a roller running in a cam groove 12. The lowermost button then falls on the lower shutters 7. The button feed bar then moves to bring the receiver 4 with positioning pins 5 in line with the wires 2 of the holder, below the shutter halves 7, which are opened by the rod 15 actuated by the movement of the feed bar and link 11, to drop the button on the receiver, the shutters 6 being closed by this movement. As the bar 3 is moved to bring the button to the clamps below the needles the shutters 7 are closed and the shutters 6 opened to allow the next button to drop. The shutters and receiver are detachable for replacement by others for different sizes of buttons.
Patent GB-756789-A (GB)
Title: A method of supporting a roof at the working face of a subterranean pit and a pit prop for carrying said method into effect
IPC: E21D15/00
Filed: 1954-05-28
Abstract: 756,789. Supporting mine roofs. COURTIN, R. E. E. May 28, 1954, No. 15930/54. Class 20(2). The roof of a mine is supported by rigid pitprops a, b, c, d so that it assumes an arcuate form concave downwards over the working space between the face h and the old workings v. The concave curve of the roof prevents flaking such as occurs at points where the roof, in sagging, becomes convex. The props are fitted with interchangeable feet adapted to. penetrate the floor of the working to a depth giving the required curve of roof. The feet are of bell shape or semi-cylindrical shape and penetrate the floor easily at first but quickly reach the limit of penetration. The shape and dimension of the feet are chosen to obtain the desired penetration of the floor and consequently the required curve of the roof. A wooden sole element may be interposed between each foot and the floor and a wooden crusher block may be interposed between the head of each prop and the roof. When the roof sags according to the desired curve, as shown in the figure, the point of inflexion w, where flaking is likely to occur, lies over the old workings.
Patent GB-694069-A (GB)
Title: Caster lock for airplane landing wheels
IPC: B64C25/50
Filed: 1951-07-05
Abstract: 694,069. Aircraft undercarriages. GOODYEAR AIRCRAFT CORPORATION. July 5, 1951. [May 9, 1951] No. 15958/51. Class 4. An aircraft cross wind landing gear includes a fixed wheel axle, a landing wheel casterably mounted on said axle, and a device associated with the axle and wheel to damp shimmying of the wheel when it is rolling on the ground in a castered or straight position and to lock the wheel against castering action in either a castered or straight position. In the embodiment shown, in which Fig. 2 is a plan section on line II-II of Fig. 1, the oleo leg 1 carries an axle 2 which is bored to receive a king pin 3 upon which a hub 4 is rotatably mounted for castering. A cam 8 and a follower 9 carried respectively by the hub 4 and the axle 2 are urged into engagement by a spring 7 so that the wheel is normally biased into a fore and aft plane. A wheel 5 is mounted by bearings 6 on the hub 4 to the face of which is attached by studs 15 a plate member 14 which as shown in Fig. 2 has a part-cylindrical inner face formed as a radius about the axis of the king pin 3. The outer end of the axle 2 is bored to form a cylinder 10 within which slides a piston 11 urged into contact with the member 14 by a spring 19 and having a friction pad 13 secured to its outer face. The cylinder 10 is connected by a pipe 21 to a pilot-controlled or automatically controlled source of fluid pressure. The operation of the mechanism is such that during a normal landing run the pressure of the spring 19 which urges the pad 13 into contact with the plate 14 is sufficient to have a shimmydamping effect but if the aircraft makes a crosswind landing each wheel, once it is in contact with the ground and deflected from fore and aft plane, may be locked in such position by the increased load exerted on the piston 1 1 by the admission of pressure fluid through the pipe 21. In an alternative embodiment, Figs. 4, 5 (not shown), a slidable pin passes co-axially through the piston 11 and is formed on its inner end with a collar engaged by a spring which urges the pin away from the outer face of the pad 13. The admission of fluid pressure into the cylinder 10 forces the pin outwards and into engagement with one of a plurality of holes drilled in the curved face of the member 14.
Patent GB-167126-A (GB)
Title: Improvements in or relating to the manufacture of boots and shoes
IPC: A43D37/00
Filed: 1920-02-20
Abstract: 167,126. Haldinstein, G. E., and Lee, F. Feb. 20, 1920. Filing-machines, rotary.-A device for tearing up the surfaces of soles, heels, insoles and uppers of boots preparatory to bracing them together by cement consists of two circular saw-edged discs A mounted on a spindle B and rotated in opposite directions by bands D. Specifications 166,617, [Class 17 (i), Boots and shoes, Apparatus for making &c.], and 167,127 are referred to.
Patent GB-794467-A (GB)
Title: Method of testing the adhesion of metallic coatings or platings
IPC: G01N19/04
Filed: 1956-05-23
Abstract: 794,467. Testing adhesion of metallic coatings. LEMET CHROMIUM H. VAN. DER HORST N.V. May 23, 1956 [Nov. 1, 1955], No. 15972/56. Class 106 (2). The adhesion of metallic coatings or platings 12 to their bases 10 are tested by pressing an indentation tool, by the application of a sustained force, into the coating or plating to form an indentation 14 of predetermined depth and then examining the coating or plating in the region of the indentation. A poor bond will result in a lifting, cracking or separation of the coating or plating in the region marked 22. The indenter point may have a hemi-spherical, conical, pyramidal, or any other shaped indenter point. The depth of indentation is predetermined by making an indentation in a similar coating or plating which is known to have unsatisfactory adhesion, the depth of the indentation being just sufficient to cause separation of the unsatisfactory coating or plating from its. base.
Patent GB-1095016-A (GB)
Title: Improvements in air compressors
Inventor: KELLY ALEC JAMES
IPC: F04B41/04
Filed: 1965-04-14
Abstract: 1,095,016. Regulating air compressors. J.C. BAMFORD (EXCAVATORS) Ltd. April 1, 1966 [April 14, 1965], No. 15976/65. Heading F1N. A reciprocating single or multi-piston compressor, has each cylinder 12 provided with one or more poppet-type inlet valves 14, the or each of which is actuated through a two-part cam follower 20, 21 reciprocated by a rotary cam 17 and arranged to be increased in axial length by supplying hydraulic or pneumatic fluid to a space between the two parts, whereby the or each valve is maintained open when the compressor is to run unloaded. The two-part follower comprises two telescoped pistons slidable within a fixed housing 23 having an inlet in communication with the space between the pistons and arranged to be fed with fluid when pressure in a reservoir exceeds a predetermined value. The two-part follower operates the valve through a push rod 16 and a rocker 18 against the action of a valve spring 19. An automatic outlet valve 15 is provided.
Patent GB-904695-A (GB)
Title: Improvements in nut fixing sockets for embedding in walls and ceilings
Inventor: COOPER ARNOLD GREGORY
IPC: E04B1/41
Filed: 1960-05-05
Abstract: 904,695. Making anchor-nuts. TRUSCON Ltd. April 28, 1961 [May 5, 1960], No. 15989/60. Addition to 829,019. Class 83 (2). [Also in Group XXV] The fixing socket of the parent Specification is modified by the addition of a base-plate 6 to which the base portion 9 of the metal strip forming the sides 12 is welded. The cover 16 and its flanges 17 are secured to the sides 12 by spot-welding 10 and 18, Fig. 13 (not shown). A nut is located between the base portion 9 and the base 20 of a channel member stiffened by embossed ribs 22.
Patent GB-759218-A (GB)
Title: Improvements in stop cocks
IPC: F16K5/20
Filed: 1954-05-31
Abstract: 759,218. Valves. NEUE ARGUS GES. May 31, 1954 [July 10, 1953], No. 16027/54. Class 135. In a rotary spherical plug cock resilient packing rings which bear against the plug are stretched over cylindrical bosses of slightly larger diameter than the internal diameters of the rings. As shown, a spherical plug 5, Fig. 1, rotatable by a rod 13 having a key 17 which coacts with stops 11a on the casing 1, to position the plug in its open and closed positions, is clamped between spherical seats 22, 25 formed on cylindrical bosses 20, 23 of the casing 1 and a connecting socket 7 respectively. Packing rings 26, 27 of synthetic or natural rubber having a Shore hardness of about 80 to 90 are stretched over the bosses which have a diameter 5 to 10 per cent larger than the internal diameter of the rings. The rings, before the plug is clamped between the spherical faces of the bosses, stand proud of these faces. In a modification, the bosses on which the seats are formed and over which the packing rings are stretched are on loosely mounted support rings to permit adjustment between the seats and the plug perpendicular to the flow passage through the cock. In another embodiment, the casing is split in vertical halves 35, 36, Fig. 3, and held together at the top by a cap nut 19 and at the bottom by a nut and a bolt 34 passing through flanges formed on the halves. Each packing ring may be encircled by a metal split ring to give it added support.
Patent GB-104142-A (GB)
Title: Improvements in or relating to Means for Supporting Electric Lamps.
IPC: H01R33/975
Filed: 1916-11-09
Abstract: 104,142. Benjamin Electric, Ltd., and Fowler, E. Nov. 9, 1916. Anti-vibration devices.-An electric-lamp holder A or a flange B thereon is connected to a support or to a flange C thereon by a helical spring D, and means are provided for preventing twisting of the spring, particularly when inserting the lamp in its holder. In one form, the flanges B, C are connected by a loose link or wire; or pins or rods C<2> are secured to one of the flanges and engage notches or holes in the other, the notches or holes being sufficiently large to prevent the transmission of shock through the rods. The spring D is secured to the flanges B, C by clips punched out of them, and may be of cylindrical or conical shape, or may comprise two cones arranged end to end.
Patent GB-612634-A (GB)
Title: An improved device for proportionately mixing fluids in flow
IPC: A62C5/00
Filed: 1946-05-28
Abstract: 612,634. Fire-extinguishing apparatus. HALE FIRE PUMP CO. May 28, 1946, No. 16132. Convention date, March 6. [Class 47 (ii)] [Also in Group II] A device for proportionately mixing fluids in flow comprises a conduit for fluid under pressure, a positive displacement fluid motor in said conduit, a byepass duct connected at both ends with said conduit, a positive displacement pump in said byepass, means for disconnecting the intake end of said byepass duct from the conduit and for connecting said byepass with a source of other fluid when the said intake end of the byepass is so disconnected, and means for synchronizing said motor and pump. Fig. 2 shows an embodiment of the device for introducing foaming agent into a stream of water flowing from a fire-fighting pump and comprising a conduit 2 to be connected into the hose line and containing a water motor 1, comprising intermeshing rotors 3, 4. A duct 5 byepasses the motor 1 and contains a three-way valve 11, a check valve 12, and a gear pump 6 having rotors 7, 8 directly driven by the rotors 3, 4. In operation, the pump 6 is first primed with foam-producing agent by setting the valve 11 in the position shown in Fig. 2 when foam-producing liquid is withdrawn from a supply conduit 9 through a restricted opening in the valve 11 to pass through the pump 6 and a conduit 13 connected by a passage 16 in the valve 11 to a discharge outlet 18. The valve 11 is then rotated to a position wherein the supply conduit 9 is fully connected with the pump 6, the pipe 13 being cut off from the outlet 18, and the agent is forced through the check valve 12 into the flow of water through the pipe 2. If the foam-producing agent is not required, the valve 11 is moved to a third position in which the conduits 5, 9 and 13, 18, respectively, are cut off from one another, and water from the conduit 2 is byepassed around the conduit 5 and drives the pump 6 as a water motor, thus reducing the load on the motor 1. In an alternative construction, the discharge from the pump 6 may be introduced into the duct 2 at a point upstream from the motor 1. The Specification as open to inspection under Sect. 91 comprises also a further alternative construction in which the foaming agent is withdrawn from a supply 23, Fig. 4 (Cancelled), through a duct 24 by a pump 26 driven by a motor 21 in the water duct 22. A pinion 32 driving the rotors of the pump 26 may be selectively engaged with either of pinions 29, 31 driven by the rotors 27, 28 of the pump 21, so that the operation of the pump 26 may be reversed for flushing the conduit 24 with water. The pump 26 may be rendered inoperative by disengaging the pinion 32 from both pinions 29, 31. This subject-matter does not appear in the Specification as accepted.
Patent GB-1282656-A (GB)
Title: Cooking range
IPC: H05B3/44
Filed: 1970-04-06
Abstract: 1282656 Surface working unit THERMO ELECTRON CORP 6 April 1970 [25 Aug 1969] 16161/70 Heading F4W [Also in Division H5] A cooling range has a top plate 18 of infra-red transparent, heat resistant material, such as quartz, heat resistant glass or ceramic glass over radiant elements 26, and the under surface of the top plate 18 is cooled by a flow of air from blowers 36, which is ducted to outlets 46 above the splash back 10. Each element may be sealed in an evacuated tube 30, Fig. 3, with a reflector 32 at the side remote from the top plate 18. The tubes may be of borosilicate glass, quartz, sapphire or similar material, and the filament may be of tungsten, silicon carbide, or graphite rope. The tubes may be filled with inert gas, and the reflector may be a layer of aluminium or gold within the tube, or may be formed on the outside of the tube or separate from its. A baffle 24 below the plate 18 divides the space so that only one blower may be used alone.
Patent GB-1222195-A (GB)
Title: Process for the production of phosphoric acid
IPC: C01B25/22
Filed: 1969-03-27
Abstract: 1,222,195. Phosphoric acid. ALLIED CHEMICAL CORP. 27 March, 1969 [28 March, 1968], No. 16218/69. Heading C1A. Orthophosphoric acid having a low calcium chloride content is prepared by treating a calcium-containing phosphate composition, e.g. phosphate rock, with hydrochloric acid to give an acidulate which is then extracted with a mixture comprising a liquid hydrocarbon and an alcohol having 4 to 8 carbon atoms to remove the phosphoric acid. Suitable alcohols are acidulate-immiscible and capable of dissolving orthophosphoric acid and include n-butyl, isobutyl and iso-amyl alcohols, and preferred hydrocarbons are benzene, ethylbenzene, toluene or a hexane, heptane or xylene, although other alcohols and hydrocarbons are also mentioned. Preferably, the acidulation step is carried out in the presence of alkali metal ions and excess hydrochloric acid, the former to precipitate any soluble silica present in the starting material and the latter to remove any unreacted phosphate. The extractant is suitably saturated with water prior to use and the extraction may be carried out as a multi-stage countercurrent operation, and followed by a similar extraction with water to extract the phosphoric acid (see Figure, not shown).
Patent GB-443753-A (GB)
Title: Improvements in or relating to roofing tiles
IPC: E04D1/16
Filed: 1935-06-05
Abstract: 443,753. Roofing- tiles. WOMACK, F., 2, Brown Street, Rotherham. June 5, 1935, No. 16276. [Class 87 (i)] Roofing-tiles are made flat with the lower edge 11 bevelled on the outer face, and with grooves 12 extending obliquely from near the centre to the sides. The sides may have rebates 9, 10 to interengage. Hanging nibs 7 and nail holes 7a are provided. The tiles may be laid to overlap for slightly more than half the length.
Patent GB-111291-A (GB)
Title: Improvements in Ditch Digging Machines.
Inventor: ENGEN JOHN
IPC: E02F7/00
Filed: 1917-11-07
Abstract: 111,291. Engen, J. Nov. 17, 1916, [Convention date]. Driving-gear for endless-chain conveyers; portable conveyers.-In a ditch digging machine in which a conveyer is arranged behind the cutter 1, the conveyer 3 is in the form of a chain and is driven by direct engagement with teeth 6 on the wheel or wheels 7 which support the machine.
Patent GB-553919-A (GB)
Title: Improvements in sinks, lavatory basins and the like
IPC: E03C1/282
Filed: 1941-12-18
Abstract: 553,919. Overflow and waste fittings for sinks, basins &c. SHAW, A. G., and SHAW'S GLAZED BRICK CO., Ltd. Dec. 18, 1941, Nos. 16342/41 and 2041/42. [Class 26] In a lavatory basin, sink and like receptacle in which the overflow duct 3 is formed on the wall of the basin &c. 1 and communicates with the smooth interior of the outlet 2, the latter is formed with a concentric ledge 17 through apertures 18 in which pass bolts 9 which also pass through the flange 11 of the waste pipe 4 to hold it in position. The heads of the bolts are countersunk and obscured by a fitting 20 of ceramic natural. The mouth of the hole 2 is provided with a tapered annular member 21 in which fits the usual plug 22 and the usual grating 7 is fitted into the top of the pipe 4. In a modification, Fig. 3, the ledge 17 is provided with a conical surface 17a, which merges curvlinearly at 176 into the hole 2 and makes a smooth connection 17c with the duct 3. Four or more radial recesses 23, Fig 5, receive the heads of the bolts 9 which fit in slots 11 a in the flange 11 and receive the fitting 20. The pipe 4 is provided with an integral trap 16 which may be bent as at 16a. An integral shoulder 24 formed in the top of the hole 2 forms a sealing for a closure plug 25 made of baked clay and provided with a rubber sealing ring 26. The plug may be of dished form and have a diametric rib 27 provided with a hole 28 for the attachment of a retaining chain.
Patent GB-426379-A (GB)
Title: Improvements in internal-combustion-engine exhaust valves
IPC: F01L3/16
Filed: 1934-06-01
Abstract: 426,379. Valves. RAVERA, E., Tirea, Aosta, Italy. June 1, 1934, No. 16353. [Class 7 (vi)] [See also Group XXII] An exhaust valve made in one piece with hollow head and stem is cooled by circulation of air entering the stem by holes 6 and passing out into the exhaust stream by holes 5 in the head. The flow of the exhaust gases may effect the air circulation, and this may be assisted by making the holes 5 of convergent form, as shown. In overhead valves, the holes 6 could be replaced by a single central hole. Air may be blown under pressure into the holes 6. The valve may be formed from a hollow bar or blank, which is filled with calcium carbide, after which the open end is closed or plugged and the other end forged to a spherical form as shown in Fig. 3. The holes 5 are then drilled, and the spherical end forged into the finished shape shown in Fig. 4. The holes 6 are then drilled, and the calcium carbide is extracted by placing the valve in water.
Patent GB-389459-A (GB)
Title: Control arrangement for tubes with automatic discharge for switching purposes
IPC: B66B1/46
Filed: 1931-06-05
Abstract: 389,459. Rectifying alternating currents. DUBILIER CONDENSER CO. (1925), Ltd., Victoria Road, North Acton, London.-(Assignees of Linke, J. ; 65, Niebuhrstrasse, Charlottenburg, Berlin.) June 5, 1931, No. 16459. Convention date, June 7, 1930. [Class 38 (ii).] The Specification as open to inspection under Sect. 91 describes an arrangement (Fig. 6, Cancelled) for rectifying 3-phase currents for supplying a motor comprising a transformer 15 the secondaries 16 of which feed main anodes 17 of a vapour valve. Auxiliary anodes 20 are connected through current-limiting resistances 7 and further windings on the transformer to a switch 3, closure of which causes an increased voltage to be impressed at 20 on the valve. The current is so limited by 7 that the discharge which has been transferred from 17 to 20 is inadequate to keep the motor running. In a modification (Fig. 7, not shown), the main anodes are connected to intermediate points of the transformer secondary, the end points of which are connected to a Y-connected resistance, the neutral of which is connected to a single auxiliary anode. This subject-matter does not appear in the Specification as accepted.
Patent GB-385524-A (GB)
Title: Improvements in or relating to reflectors for headlamps
IPC: F21V7/04
Filed: 1932-06-11
Abstract: 385,524. Headlamp reflectors. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. June 11, 1932, No. 16553. Convention date, July 2, 1931. [Class 75 (ii).] In a ribbed reflector for vehicle &c. headlamps some of the ribs are vertical (as viewed from the front) and others oblique, the former giving lateral dispersion and the latter both lateral and up and down dispersion, while a concentrated distant beam is provided for by leaving part of the reflector unribbed. As shown in Figs. 1 and 3, the oblique ribs are circular and merge into some of the vertical ribs b, and all are separated by plain reflecting parts. The ribs are of convex cross section, the radius of curvature being larger for the central ribs c than for the others, Fig. 3. Dispersion to one side only, or up or down only, is provided for by giving the ribs a prism-like section, Fig. 4. The arrangement of Fig. 1 may be turned through 180‹, the circular ribs being then at the top. Fig. 6 shows a further modification with the ribs contiguous.